diff --git a/config/config.exs b/config/config.exs
index 82e841842..c3cfbfb43 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -146,6 +146,8 @@ config :mobilizon, :ldap,
   base: System.get_env("LDAP_BASE") || "dc=example,dc=com",
   uid: System.get_env("LDAP_UID") || "cn",
   require_bind_for_search: !(System.get_env("LDAP_REQUIRE_BIND_FOR_SEARCH") == "false"),
+  # Either the admin UID matching the field in `uid`,
+  # Either a tuple with the fully qualified DN: {:full, uid=admin,dc=example.com,dc=local}
   bind_uid: System.get_env("LDAP_BIND_UID"),
   bind_password: System.get_env("LDAP_BIND_PASSWORD")
 
diff --git a/lib/service/auth/ldap_authenticator.ex b/lib/service/auth/ldap_authenticator.ex
index e42be59d9..fa8036880 100644
--- a/lib/service/auth/ldap_authenticator.ex
+++ b/lib/service/auth/ldap_authenticator.ex
@@ -97,6 +97,15 @@ defmodule Mobilizon.Service.Auth.LDAPAuthenticator do
     end
   end
 
+  # Bind user with full DN
+  @spec bind_user(any(), String.t(), String.t(), {:full, String.t()}, String.t()) ::
+          User.t() | any()
+  defp bind_user(connection, _base, _uid, {:full, field}, password) do
+    Logger.debug("Binding to LDAP with \"#{field}\"")
+    :eldap.simple_bind(connection, field, password)
+  end
+
+  # Bind user with only uid field on top of base
   @spec bind_user(any(), String.t(), String.t(), String.t(), String.t()) ::
           User.t() | any()
   defp bind_user(connection, base, uid, field, password) do